From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Tue, 1 Sep 2020 15:05:48 +0000 (+0800)
Subject: soundwire: intel: ignore software command retries
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0ef2986e19c922e0e22206e02b3b1e52d11d6f38;p=linux.git

soundwire: intel: ignore software command retries

with multiple links synchronized in hardware, retrying commands in
software is not recommended.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200901150556.19432-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index aa8484366c957..94a659e65f863 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1355,6 +1355,11 @@ static int intel_master_probe(struct platform_device *pdev)
 		dev_info(dev,
 			 "SoundWire master %d is disabled, will be ignored\n",
 			 bus->link_id);
+	/*
+	 * Ignore BIOS err_threshold, it's a really bad idea when dealing
+	 * with multiple hardware synchronized links
+	 */
+	bus->prop.err_threshold = 0;
 
 	return 0;
 }